feat: support factory flashing

src/routes/(app)/ccos/[device]/[version]/+page.ts

@@ -1,20 +1,49 @@
 import type { PageLoad } from "./$types";
 import type { FileListing, Listing } from "../../listing";
+import type { VersionMeta } from "./meta";
 
 export const load = (async ({ fetch, params }) => {
   const result = await fetch(
     `${import.meta.env.VITE_FIRMWARE_URL}/${params.device}/${params.version}/`,
   );
   const data: Listing[] = await result.json();
+  const meta: VersionMeta | undefined = data.some(
+    (entry) => entry.type === "file" && entry.name === "meta.json",
+  )
+    ? await fetch(
+        `${import.meta.env.VITE_FIRMWARE_URL}/${params.device}/${params.version}/meta.json`,
+      ).then((res) => res.json())
+    : undefined;
 
   return {
-    uf2: data.find(
-      (entry) => entry.type === "file" && entry.name === "CURRENT.UF2",
-    ) as FileListing,
-    ota: data.find(
-      (entry) => entry.type === "file" && entry.name === "firmware.bin",
-    ),
-    version: params.version,
-    device: params.device,
+    meta: {
+      version: meta?.version ?? params.version,
+      target: meta?.target ?? params.device,
+      path: `${import.meta.env.VITE_FIRMWARE_URL}${params.device}/${params.version}`,
+      git_commit: meta?.git_commit ?? "",
+      git_is_dirty: meta?.git_is_dirty ?? false,
+      git_date: meta?.git_date ?? data[0]?.mtime ?? "",
+      public_build: meta?.public_build ?? !params.version.startsWith("."),
+      development_mode: meta?.development_mode ?? 0,
+      update: {
+        uf2:
+          (data.find(
+            (entry) =>
+              entry.type === "file" &&
+              entry.name === (meta?.update?.uf2 ?? "CURRENT.UF2"),
+          ) as FileListing) ?? undefined,
+        ota:
+          data.find(
+            (entry) =>
+              entry.type === "file" &&
+              entry.name === (meta?.update?.ota ?? "firmware.bin"),
+          ) ?? undefined,
+        esptool: meta?.update?.esptool ?? undefined,
+      },
+      files: data.filter(
+        (entry) =>
+          entry.type === "file" && (!meta?.files || entry.name in meta.files),
+      ) as FileListing[],
+    },
   };
 }) satisfies PageLoad;